Run results for: Native JS: reduce vs join

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36 OPR/69.0.3686.77

Browser: Opera 69

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
using reduce function	82311.1 Ops/sec
using join function	38611.3 Ops/sec

Script Preparation code:

var array = [];
var index = 0;
while (index < 1000) {
  array.push("" + index++);
}

Tests: